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oot/include/ultra64/mbi.h
Tharo f1d183d6fe
libultra files and directories restructure (#1038)
* Restructure files, begin header restructure

* Format

* us2dex

* Fix parallel spelling

Co-authored-by: JoshDuMan <40190173+JoshDuMan@users.noreply.github.com>

* Use OS_K0_TO_PHYSICAL in place of VIRTUAL_TO_PHYSICAL in osAiSetNextBuffer

* Uppercase hex, exception vector address defines

* Interrupt flags 1

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

* Interrupt flags 2

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

Co-authored-by: JoshDuMan <40190173+JoshDuMan@users.noreply.github.com>
Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
2021-11-30 19:08:57 -05:00

43 lines
1.1 KiB
C

#ifndef ULTRA64_MBI_H
#define ULTRA64_MBI_H
/*
* Header file for the Media Binary Interface
*
* NOTE: This file is included by the RSP microcode, so any C-specific
* constructs must be bracketed by #ifdef _LANGUAGE_C
*
*/
/*
* the SHIFT macros are used to build display list commands, inserting
* bit-fields into a 32-bit word. They take a value, a shift amount,
* and a width.
*
* For the left shift, the lower bits of the value are masked,
* then shifted left.
*
* For the right shift, the value is shifted right, then the lower bits
* are masked.
*
* (NOTE: _SHIFTL(v, 0, 32) won't work, just use an assignment)
*
*/
#define _SHIFTL(v, s, w) \
((u32) (((u32)(v) & ((0x01 << (w)) - 1)) << (s)))
#define _SHIFTR(v, s, w) \
((u32)(((u32)(v) >> (s)) & ((0x01 << (w)) - 1)))
#define G_ON (1)
#define G_OFF (0)
#include "gbi.h"
#include "abi.h"
#define NUM_SEGMENTS (16)
#define SEGMENT_OFFSET(a) ((u32)(a) & 0x00FFFFFF)
#define SEGMENT_NUMBER(a) (((u32)(a) << 4) >> 28)
#define SEGMENT_ADDR(num, off) (((num) << 24) + (off))
#endif